" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a²(1+q+q²)(1-q+q²)=a²(1-q+q²+q-q²+q³+q²-q³+q⁴)=
a²(1+q²+q⁴)=a²+a²q²+a²q⁴
a²-a²q+a²q²+a²q-a²q²+a²q³+a²q²-a²q³+a²q⁴=
a²+a²q²+a²q⁴